The rough scaled green gilled umbrella belongs to a genus in the umbrella mushroom family. These types of fungi usually grow in saprophytic environments and have a medium to large body size. The cap is usually a brown to light brown scale, with a diameter of up to 5-25 centimeters, and a hemispherical or flattened spherical shape. It gradually unfolds in the later stage, with a slightly raised center. When young, the epidermis is dark brown or light brown, and as it matures, it cracks open. The scales at the top are large and thick, appearing brownish purple. The stem is smooth. White or pale yellow, some species will turn green after maturity. White or cream colored, some species have spore marks that are even green. Usually, there are thick walled fungal spores with no or flat covered pores, and a mesh like structure inside the gills.

This species is a large mushroom widely distributed in southern China, commonly found in fields, grasslands, flower pots, or other areas. Its prominent feature is the green color of its mature gills and spore prints. The main feature is a large body size, white cap, and brown flake scales; The surface of the stem is smooth and often has developed fungal rings. The flesh at the base of the stem turns reddish brown after injury; Fungal folds are detached, white in childhood and lead green in old age. This toxic substance has caused widespread poisoning cases in southern China. It appears harmless to humans and animals, with a morphology similar to that of an edible species. It is widely distributed, likes to grow in large groups, and has a good taste, among other factors, making it one of the most commonly ingested poisonous mushrooms.